Summit Trail Fire

202154,824 acresWashington

The Summit Trail Fire burned 54,824 acres, about 86 square miles, across Ferry County. It began on July 13, 2021.

Watch how it happened

Summit Trail Fire · 2021

How it happened

Watch it burn in the order satellites saw it, coloured by how severely each place burned.

About this replay
Date (UTC)—Historical replay
Burned so far—acres
High severity—of the area so far
Detections6,209satellite fire pixels

How severely it burned

Burn severity inside the final perimeter, classified from Landsat images taken before and after the fire.

Map of burn severity across the Summit Trail Fire
Burn severity by class
SeverityShareAcres
Highmost vegetation consumed, soils altered13%6,947
Moderatemixed: many trees killed, some survive31%17,042
Lowsurface fire, most trees survive38%20,770
Unburned to lowislands inside the perimeter, little change17%9,563
Increased greennessvegetation greener after the fire than before0.9%502

13% of the area inside the perimeter burned at high severity, about 6,947 acres; 44% burned at moderate or high severity.

Monitoring Trends in Burn Severity (U.S. Geological Survey and USDA Forest Service). Classes come from the change in a Landsat burn index (dNBR) between images before and after the fire; acres are each class’s share of the fire’s mapped area.

Where it burned

Acres inside each county, measured from the satellite-mapped perimeter.

Acres burned by county
Ferry CountyWA54,851

Other large fires in Washington in 2021

Monitoring Trends in Burn Severity (USGS and U.S. Forest Service). Type recorded: Wildfire.